ATE343978T1 - ORTHODONTIC DEVICE - Google Patents

ORTHODONTIC DEVICE

Info

Publication number
ATE343978T1
ATE343978T1 AT02784526T AT02784526T ATE343978T1 AT E343978 T1 ATE343978 T1 AT E343978T1 AT 02784526 T AT02784526 T AT 02784526T AT 02784526 T AT02784526 T AT 02784526T AT E343978 T1 ATE343978 T1 AT E343978T1
Authority
AT
Austria
Prior art keywords
orthodontic device
micron
aluminum oxide
less
grain size
Prior art date
Application number
AT02784526T
Other languages
German (de)
Inventor
Darren T Castro
Richard P Rusin
William E Ii Wyllie
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of ATE343978T1 publication Critical patent/ATE343978T1/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/14Brackets; Fixing brackets to teeth
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    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/20Preparing or treating the raw materials individually or as batches for dry-pressing
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    • C04B33/00Clay-wares
    • C04B33/30Drying methods
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    • C04B33/00Clay-wares
    • C04B33/32Burning methods
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111Fine ceramics
    • C04B35/115Translucent or transparent products
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605Treating the starting powders individually or as mixtures
    • C04B35/62645Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62655Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/6303Inorganic additives
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    • C04B35/626Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/638Removal thereof
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    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/645Pressure sintering
    • C04B35/6455Hot isostatic pressing
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206Magnesium oxides or oxide-forming salts thereof
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/3227Lanthanum oxide or oxide-forming salts thereof
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    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Thermal Sciences (AREA)
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  • Oral & Maxillofacial Surgery (AREA)
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  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Dentistry (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Dental Preparations (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Steroid Compounds (AREA)

Abstract

An orthodontic appliance that includes a polycrystalline translucent aluminum oxide ceramic material having an average grain size of no greater than 1.0 micron and a Contrast Ratio value of less than about 0.7.
AT02784526T 2001-12-28 2002-11-11 ORTHODONTIC DEVICE ATE343978T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/034,997 US6648638B2 (en) 2001-12-28 2001-12-28 Orthodontic appliances including polycrystalline alumina-based ceramic material, kits, and methods

Publications (1)

Publication Number Publication Date
ATE343978T1 true ATE343978T1 (en) 2006-11-15

Family

ID=21879994

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02784526T ATE343978T1 (en) 2001-12-28 2002-11-11 ORTHODONTIC DEVICE

Country Status (7)

Country Link
US (1) US6648638B2 (en)
EP (1) EP1460958B1 (en)
JP (1) JP4429017B2 (en)
AT (1) ATE343978T1 (en)
AU (1) AU2002346462A1 (en)
DE (1) DE60215857T2 (en)
WO (1) WO2003057064A1 (en)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
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US6878456B2 (en) * 2001-12-28 2005-04-12 3M Innovative Properties Co. Polycrystalline translucent alumina-based ceramic material, uses, and methods
US6984261B2 (en) * 2003-02-05 2006-01-10 3M Innovative Properties Company Use of ceramics in dental and orthodontic applications
US7318302B2 (en) * 2003-07-10 2008-01-15 Opperman Investments, Ltd. Equipment support for a metal building
US7192274B2 (en) 2003-12-08 2007-03-20 3M Innovative Properties Company Ceramic orthodontic appliance with archwire slot liner
US7140875B2 (en) * 2004-02-03 2006-11-28 3M Innovative Properties Company Orthodontic bracket with reinforced tiewings
US20070178422A1 (en) * 2004-03-08 2007-08-02 Ceramic Sciences, Inc. Orthodontic bracket
US20070160949A1 (en) * 2004-03-08 2007-07-12 Voudouris John C Orthodontic bracket
KR100592118B1 (en) 2004-04-29 2006-06-21 주식회사 에이치티 Orthodontic Bracket Manufacturing Method
US20050277084A1 (en) * 2004-06-10 2005-12-15 3M Innovative Properties Company Orthodontic brace with polymeric arch member
US7153130B2 (en) * 2004-06-10 2006-12-26 3M Innovative Properties Company Orthodontic appliance with removable insert
JP5168766B2 (en) * 2004-08-27 2013-03-27 東ソー株式会社 Orthodontic bracket and manufacturing method thereof
WO2006022384A1 (en) * 2004-08-27 2006-03-02 Tosoh Corporation Orthodontic bracket and process for producing the same
US7134872B2 (en) * 2004-09-02 2006-11-14 Norbert Abels Colored orthodontic brackets
US20060099545A1 (en) * 2004-11-08 2006-05-11 3M Innovative Properties Company Methods of orthodontic treatment
US7234936B2 (en) * 2004-11-08 2007-06-26 3M Innovative Properties Company Orthodontic systems with resilient appliances
US20060105179A1 (en) * 2004-11-17 2006-05-18 Hofman Gerald R A Elastomeric dental article with a protective fluoropolymer layer
US7367800B2 (en) * 2005-02-02 2008-05-06 3M Innovative Properties Company Pre-torqued orthodontic appliance with archwire retaining latch
JP5084155B2 (en) * 2005-03-11 2012-11-28 日本碍子株式会社 Alumina sintered body and method for manufacturing the same, electrostatic chuck using the alumina sintered body, and method for manufacturing the same
JP2009519762A (en) * 2005-12-14 2009-05-21 スリーエム イノベイティブ プロパティズ カンパニー Orthodontic articles coated with silicon nitride
US7377777B2 (en) * 2005-12-23 2008-05-27 3M Innovative Properties Company Orthodontic appliance with archwire-engaging clip
US8267686B2 (en) * 2006-09-29 2012-09-18 3M Innovative Properties Company Orthodontic bracket with brazed archwire slot liner
US20080138757A1 (en) * 2006-12-12 2008-06-12 3M Innovative Properties Company Orthodontic brace with reduced profile
EP2142134B1 (en) * 2007-04-30 2010-09-29 3M Innovative Properties Company Ceramic orthodontic bracket with improved debonding characteristics
US20080283522A1 (en) * 2007-05-14 2008-11-20 Shuyl Qin Translucent polycrystalline alumina ceramic
US7678725B2 (en) * 2007-05-14 2010-03-16 General Electric Company Translucent polycrystalline alumina ceramic
US7686613B2 (en) * 2007-07-10 2010-03-30 3M Innovative Properties Company Narrow ceramic self-ligating orthodontic bracket
JP4983545B2 (en) 2007-10-30 2012-07-25 東ソー株式会社 High-toughness translucent alumina sintered body, manufacturing method and use thereof
US7857618B2 (en) * 2007-11-27 2010-12-28 Ultradent Products, Inc. Orthodontic bracket including mechanism for reducing slot width for early torque control
US20090215003A1 (en) 2008-02-27 2009-08-27 Ryan B. Swain Orthodontic kit and methods for same
EP2157067B1 (en) * 2008-07-30 2012-09-12 Ivoclar Vivadent AG Primary particle coated with a colouring component
KR101668879B1 (en) * 2008-08-13 2016-10-24 오름코 코포레이션 Aesthetic Orthodontic Bracket and Method of Making Same
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AU2002346462A1 (en) 2003-07-24
US20030165790A1 (en) 2003-09-04
JP4429017B2 (en) 2010-03-10
DE60215857T2 (en) 2007-06-06
US6648638B2 (en) 2003-11-18
JP2005514103A (en) 2005-05-19
WO2003057064A1 (en) 2003-07-17
DE60215857D1 (en) 2006-12-14
EP1460958A1 (en) 2004-09-29

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